Sectional concrete culvert.



0. Si. HALL. SBGTIONAL CONCRETE CULVEBT. APPLICATION FILED APR.14, 1914.

L 93E. SS. l Patented Mar. 2,1915.

O, 5, Hah,

cent ends of said nient each of minal portions sections ,disposed in overlapping relation and having their abutting s1 the sectionsv and secure same against relativeglongitudinal movement, and terminal sections detachably interlocked with respective limiting intermediate sections, said terminal sections'having cross dimensions in excess of the cross dimensions of the intr- 10 mediate sections.

3. In a sectional culvert the combination of a plurality ranged with their longitudinal aXes in alinewhicli is provided with eXtensions at its ends, said extensions being disposed respectively at thetop and bottom 'of the sections and having their terminal portions correspondingly inclined, the terof one extension being engaged lwith the terminal portions of the opes correspondingly inclined to interlock .sion at its'lower end n vterminal portions engaging with the inof intermediate sections ar' posite extension of section, a terminal section at one end of the culvert having an inwardly directed extenprovided with inclined the next intermediatel clined terminal portlonsof the extension of the adjacent intermediate section, and a terminal section at the other end of the culvert of substantially7 U shape and -.having the inner sidesv of its arm cut away and lthe inner ends of thecut away portion inclined and engaged'with respective terminal prtions of the extension ofthe adjacentintermediate section.

In testimony whereof, I ailix my signature, in the presence of two witnesses.

` OWEN S. HALL. Witnesses:

` THOMAS E. FRASURE, R. G. IVIGGENHORN. 

